The strength of a response tendency depends on the amount of reinforcement received.

煤炭的未来在于清洁高效利用。

成功数据库系统的关键在于其能够随着用户需求的变化而发展。

I think that the role of the mathematician is to discover these patterns and to explain them.

你能创造的最有价值的东西就是错误——你无法从完美中学到任何东西。

The only way to learn mathematics is to do mathematics.

我们必须超越碳信用——真正的影响来自全面的土地管理。